package com.mashibing.test.case22.xml.config.service;

public interface Calculator {
	public Integer add(Integer i,Integer j) throws NoSuchMethodException;
	public Integer sub(Integer i,Integer j) throws NoSuchMethodException;
	public Integer mul(Integer i,Integer j) throws NoSuchMethodException;
	public Integer div(Integer i,Integer j) throws NoSuchMethodException;
}
